Langer's Sudoku Assistant

Invalid Sudoku!

Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

8
9
1
5
3
2
7
4
6
5
3
4
9
6
7
8
2
3
6
9
6
7
2
4
3
6
9
8
1
3
9
4
2
7
9
6
3
1
5
8
6
5
3
2
8
1
4
7
9
8
9
1
       
    
    
4
       
    
    
2
6
3
3
       
       
 
5
2
       
       
 
9
6
1
4
7
1
6
3
4
5
3
9
2
9
2
4
      3
    
    
1
6
      3
    
    
8
       
    
    

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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